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CVE-2026-7233

Full vulnerability record from the local CVENow database.

Description

A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet.

Severity
LOW
CVSS score
1.9 (v4.0)
Vulnerability status
Modified
Source identifier
Published
2026-04-28 07:16:04.067000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
  "id": "CVE-2026-7233",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-28T07:16:04.067",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet."
    },
    {
      "lang": "es",
      "value": "Se determinó una vulnerabilidad en Artifex MuPDF hasta 1.28.0. El elemento afectado es la función fz_subset_cff_for_gids del archivo subset-cff.c del componente Gestor de Índice CFF. Esta manipulación causa una lectura fuera de límites. El ataque solo puede ejecutarse localmente. El exploit ha sido divulgado públicamente y puede ser utilizado. El proyecto fue informado del problema tempranamente a través de un informe de error, pero aún no ha respondido."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Artifex",
          "product": "MuPDF",
          "cpes": [
            "cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "CFF Index Handler"
          ],
          "versions": [
            {
              "version": "1.0",
              "status": "affected"
            },
            {
              "version": "1.1",
              "status": "affected"
            },
            {
              "version": "1.2",
              "status": "affected"
            },
            {
              "version": "1.3",
              "status": "affected"
            },
            {
              "version": "1.4",
              "status": "affected"
            },
            {
              "version": "1.5",
              "status": "affected"
            },
            {
              "version": "1.6",
              "status": "affected"
            },
            {
              "version": "1.7",
              "status": "affected"
            },
            {
              "version": "1.8",
              "status": "affected"
            },
            {
              "version": "1.9",
              "status": "affected"
            },
            {
              "version": "1.10",
              "status": "affected"
            },
            {
              "version": "1.11",
              "status": "affected"
            },
            {
              "version": "1.12",
              "status": "affected"
            },
            {
              "version": "1.13",
              "status": "affected"
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              "version": "1.14",
              "status": "affected"
            },
            {
              "version": "1.15",
              "status": "affected"
            },
            {
              "version": "1.16",
              "status": "affected"
            },
            {
              "version": "1.17",
              "status": "affected"
            },
            {
              "version": "1.18",
              "status": "affected"
            },
            {
              "version": "1.19",
              "status": "affected"
            },
            {
              "version": "1.20",
              "status": "affected"
            },
            {
              "version": "1.21",
              "status": "affected"
            },
            {
              "version": "1.22",
              "status": "affected"
            },
            {
              "version": "1.23",
              "status": "affected"
            },
            {
              "version": "1.24",
              "status": "affected"
            },
            {
              "version": "1.25",
              "status": "affected"
            },
            {
              "version": "1.26",
              "status": "affected"
            },
            {
              "version": "1.27",
              "status": "affected"
            },
            {
              "version": "1.28.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
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      {
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        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "cvssData": {
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        "impactScore": 1.4
      },
      {
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        "type": "Primary",
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      }
    ],
    "cvssMetricV2": [
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        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:S/C:P/I:N/A:N",
          "baseScore": 1.7,
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
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        "exploitabilityScore": 3.1,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-29T15:14:06.670638Z",
          "id": "CVE-2026-7233",
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            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
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              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
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    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.27.2",
              "matchCriteriaId": "296A0B90-FB84-41D4-8CEB-0AA45570E584"
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        }
      ]
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  ],
  "references": [
    {
      "url": "https://artifex.com/",
      "source": "[email protected]",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://bugs.ghostscript.com/show_bug.cgi?id=709328",
      "source": "[email protected]",
      "tags": [
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        "Mitigation",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/biniamf/pocs/tree/main/mupdf-cff-indexload-oobread",
      "source": "[email protected]",
      "tags": [
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        "VDB Entry"
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    {
      "url": "https://vuldb.com/vuln/359840/cti",
      "source": "[email protected]",
      "tags": [
        "Permissions Required",
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    {
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}